package com.zfz.power.spy;

import com.zfz.power.constuction.UserDao;

/**
 * @Description:
 * @Author: zhoufuzong
 * @Created: 2020-12-05 19:04:00
 * @Version: 1.1.0
 */

public class UserService {

    public void foo(String arg){
        log();
    }
    private void log(){
        System.out.println("I am console log.");
    }

    public boolean exist(String username){
        return checkExits(username);
    }

    private boolean checkExits(String username){
        throw new UnsupportedOperationException();
    }
}
